<template>
  <!-- 收货地址 -->
  <my-address></my-address>
  <!-- 购物车商品列表的标题区域 -->
  <view class="cart-title">
     <!-- 左侧的图标 -->
     <uni-icons type="shop" size="18"></uni-icons>
     <!-- 描述文本 -->
     <text class="cart-title-text">购物车</text>
  </view>
  <!-- 商品列表区域 -->
  <uni-swipe-action>
    <block v-for="(goods, i) in cart" :key="i">
      <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
        <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler"
          @num-change="numberChangeHandler"></my-goods>
      </uni-swipe-action-item>
    </block>
  </uni-swipe-action>
  <!-- 结算区域 -->
  <my-settle v-if="total !== 0"></my-settle>
</template>

<script>
  import {
    mapState,
    mapMutations,
    mapGetters
  } from 'vuex'
  // 导入自己封装的 mixin 模块
  import badgeMix from '@/mixins/tabbar-badge.js'
  import cart from '../../store/cart'
  export default {
    // 将 badgeMix 混入到当前的页面中进行使用
    mixins: [badgeMix],
    data() {
      return {
        options: [{
          text: '删除', // 显示的文本内容
          style: {
            backgroundColor: '#C00000' // 按钮的背景颜色
          }
        }]
      }
    },
    computed: {
      // 将 m_cart 模块中的 cart 数组映射到当前页面中使用
      ...mapState('m_cart', ['cart']),
      ...mapGetters('m_cart',['total'])
    },
    methods: {
      ...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
      radioChangeHandler(e) {
        this.updateGoodsState(e)
      },
      numberChangeHandler(e) {
        this.updateGoodsCount(e)
      },
      // 点击了滑动操作按钮
      swipeActionClickHandler(goods) {
        this.removeGoodsById(goods.goods_id)
      }
    }
  }
</script>

<style lang="scss">
  .cart-title {
    height: 40px;
    display: flex;
    align-items: center;
    font-size: 14px;
    padding-left: 5px;
    border-bottom: 1px solid #efefef;

    .cart-title-text {
      margin-left: 10px;
    }
  }

  .cart-container {
    padding-bottom: 50px;
  }
</style>